2587066 has 4 divisors (see below), whose sum is σ = 3880602. Its totient is φ = 1293532.

The previous prime is 2587049. The next prime is 2587069. The reversal of 2587066 is 6607852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2468041 + 119025 = 1571^2 + 345^2 .

It is not an unprimeable number, because it can be changed into a prime (2587069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646765 + ... + 646768.

2^2587066 is an apocalyptic number.

2587066 is a deficient number, since it is larger than the sum of its proper divisors (1293536).

2587066 is a wasteful number, since it uses less digits than its factorization.

2587066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293535.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2587066 is about 1608.4358861950. The cubic root of 2587066 is about 137.2784929393.

The spelling of 2587066 in words is "two million, five hundred eighty-seven thousand, sixty-six".